title: High resistance to fourth-generation cephalosporins among clinical isolates of Enterobacteriaceae producing extended-spectrum beta-lactamases isolated in Portugal.
authors.forename: Ruben
authors.initials: R
authors.lastname: Fernandes
authors.forename: Alvaro
authors.initials: A
authors.lastname: Gestoso
authors.forename: José Mota
authors.initials: JM
authors.lastname: Freitas
authors.forename: Perpétua
authors.initials: P
authors.lastname: Santos
authors.forename: Cristina
authors.initials: C
authors.lastname: Prudêncio
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D002511:Cephalosporins / Q000494:pharmacology*; D004755:Enterobacteriaceae / Q000187:drug effects* / Q000201:enzymology* / Q000302:isolation & purification; D004756:Enterobacteriaceae Infections / Q000382:microbiology*; D005260:Female; D006801:Humans; D008297:Male; D008826:Microbial Sensitivity Tests; D008875:Middle Aged; D011174:Portugal; D001618:beta-Lactamases / Q000096:biosynthesis*
chemical_list: D000900:Anti-Bacterial Agents; D002511:Cephalosporins; D001618:beta-Lactamases